:root {
  color-scheme: dark;
  --bg: #111111;
  --panel: #181818;
  --panel-soft: #202020;
  --border: #343434;
  --text: #f4f1ea;
  --muted: #b7b0a7;
  --subtle: #827b73;
  --accent: #74e7c4;
  --stone: #c4bbb0;
}

* {
  box-sizing: border-box;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  margin: 0;
}

a {
  color: var(--accent);
}

.shell {
  margin: 0 auto;
  max-width: 920px;
  padding: 32px 20px 56px;
}

.nav {
  align-items: center;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  padding-bottom: 18px;
}

.brand {
  color: var(--text);
  font-size: 18px;
  font-weight: 800;
  text-decoration: none;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.nav-links a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.hero {
  padding: 46px 0 24px;
}

.eyebrow {
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  margin: 0 0 12px;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(36px, 7vw, 68px);
  line-height: 1.02;
  margin: 0 0 18px;
}

h2 {
  font-size: 24px;
  line-height: 1.2;
  margin: 34px 0 10px;
}

h3 {
  font-size: 18px;
  line-height: 1.25;
  margin: 24px 0 8px;
}

p,
li {
  color: var(--muted);
  font-size: 16px;
}

.lead {
  color: var(--text);
  font-size: 19px;
  max-width: 760px;
}

.card-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-top: 24px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px;
}

.card h2,
.card h3 {
  margin-top: 0;
}

.meta {
  color: var(--subtle);
  font-size: 14px;
  font-weight: 700;
}

.callout {
  background: #1b2d28;
  border: 1px solid #2e6c5d;
  border-radius: 8px;
  color: var(--text);
  margin: 24px 0;
  padding: 16px;
}

.footer {
  border-top: 1px solid var(--border);
  color: var(--subtle);
  font-size: 13px;
  margin-top: 42px;
  padding-top: 18px;
}